From 0cac03ba7d0a5ab95e1d81d68102778cb995a363 Mon Sep 17 00:00:00 2001 From: John Wiegley Date: Fri, 13 Aug 2004 17:41:29 -0400 Subject: performance tweaks --- amount.cc | 27 ++++----------------------- 1 file changed, 4 insertions(+), 23 deletions(-) (limited to 'amount.cc') diff --git a/amount.cc b/amount.cc index daf323aa..2e8fc8fb 100644 --- a/amount.cc +++ b/amount.cc @@ -392,13 +392,7 @@ amount_t& amount_t::operator*=(const amount_t& amt) INIT(); mpz_mul(MPZ(quantity), MPZ(quantity), MPZ(amt.quantity)); - - // Truncate to the recorded precision: MAX_PRECISION. - mpz_t divisor; - mpz_init(divisor); - mpz_ui_pow_ui(divisor, 10, MAX_PRECISION); - mpz_tdiv_q(MPZ(quantity), MPZ(quantity), divisor); - mpz_clear(divisor); + mpz_tdiv_q(MPZ(quantity), MPZ(quantity), full_divisor); return *this; } @@ -410,15 +404,9 @@ amount_t& amount_t::operator/=(const amount_t& amt) INIT(); - mpz_t divisor; - mpz_init(divisor); - mpz_ui_pow_ui(divisor, 10, MAX_PRECISION); - - mpz_mul(MPZ(quantity), MPZ(quantity), divisor); + mpz_mul(MPZ(quantity), MPZ(quantity), full_divisor); mpz_tdiv_q(MPZ(quantity), MPZ(quantity), MPZ(amt.quantity)); - mpz_clear(divisor); - return *this; } @@ -429,15 +417,9 @@ amount_t& amount_t::operator%=(const amount_t& amt) INIT(); - mpz_t divisor; - mpz_init(divisor); - mpz_ui_pow_ui(divisor, 10, MAX_PRECISION); - - mpz_mul(MPZ(quantity), MPZ(quantity), divisor); + mpz_mul(MPZ(quantity), MPZ(quantity), full_divisor); mpz_tdiv_r(MPZ(quantity), MPZ(quantity), MPZ(amt.quantity)); - mpz_clear(divisor); - return *this; } @@ -476,8 +458,7 @@ std::ostream& operator<<(std::ostream& out, const amount_t& amt) if (amt.commodity->precision != MAX_PRECISION) mpz_round(rquotient, MPZ(amt.quantity), amt.commodity->precision); - mpz_ui_pow_ui(divisor, 10, MAX_PRECISION); - mpz_tdiv_qr(quotient, remainder, rquotient, divisor); + mpz_tdiv_qr(quotient, remainder, rquotient, full_divisor); if (mpz_sgn(quotient) < 0 || mpz_sgn(remainder) < 0) negative = true; -- cgit v1.2.3